对于修复口腔和颈部肿瘤切除后的缺损，颈阔肌皮瓣（PMF）是一种很有效的方法，一些学者认为在切除术小面动脉受累，则应避免使用PMF，然而另一些学者报告别使需要结扎面动脉的几个动脉分支也能获得很好的结果。PMF主要血供来自面动脉的领F支，如果结扎该动脉，血管正常的轴型 For the repair of defects after resection of oral and cervical tumors, the platysma myocutaneous flap (PMF) is a very effective method. Some scholars believe that the use of PMF should be avoided in the removal of the facet artery. However, other scholars have reported that Do not make good results for several arterial branches that require ligation of facial arteries. The main blood supply of PMF is from the collar F of the facial artery. If the artery is ligated, the normal axial shape of the blood vessel is